National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Hazardous Weather Conditions

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

Lat: 37.66083°NLon: 122.11833°WElev: 46.0ft.

Overcast

63°F

17°C

Humidity 55%
Wind Speed SE 14 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 02 Jan 04:00 PM PST
Extended Forecast for

2 Miles NE Union City CA

Wind Advisory January 2, 04:17pm until January 3, 01:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory January 2, 04:17pm until January 3, 01:00pm

    NOW until 1:00pm Sat

    Wind Advisory

  • This Afternoon

    High: 58 °F

    Rain

  • Tonight

    Tonight: Rain before 1am, then showers and possibly a thunderstorm between 1am and 4am, then rain after 4am. Low around 53. South wind 14 to 21 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Showers

  • Saturday

    Saturday: Rain and possibly a thunderstorm. High near 57. South southeast wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 50. South southeast wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Rain

  • Sunday

    Sunday: Rain. High near 53. South wind 10 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 53 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely. Mostly cloudy, with a low around 47. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Rain Likely

  • Monday

    Monday: Rain likely. Cloudy, with a high near 53. Chance of precipitation is 70%.

    High: 53 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Rain Likely

Detailed Forecast

This Afternoon
Rain. High near 58. South southeast wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain before 1am, then showers and possibly a thunderstorm between 1am and 4am, then rain after 4am. Low around 53. South wind 14 to 21 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Rain and possibly a thunderstorm. High near 57. South southeast wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Rain. Low around 50. South southeast wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 53. South wind 10 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain likely. Mostly cloudy, with a low around 47. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely. Cloudy, with a high near 53. Chance of precipitation is 70%.
Monday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 46.
Tuesday
Partly sunny, with a high near 55.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
A chance of rain. Partly sunny, with a high near 53.
Wednesday Night
A chance of rain. Partly cloudy, with a low around 39.
Thursday
Sunny, with a high near 52.
Thursday Night
Patchy frost. Otherwise, mostly clear, with a low around 36.
Friday
Patchy frost. Otherwise, sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Union City CA
 37.61°N 122°W (Elev. 594 ft)
Last Update:
12:26 pm PST Jan 2, 2026
Forecast Valid:
4pm PST Jan 2, 2026-6pm PST Jan 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation